Home / 4,137.28-6,205.92-1,217.63

Finding the Fourth Proportional to 4,137.28, 6,205.92 and 1,217.63

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Solution

The fourth proportional to 4,137.28, 6,205.92 and 1,217.63 is: 1,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.28 : 6,205.92 = 1,217.63 : x
  2. Step 2: Convert to fraction form
    4,137.28/6,205.92 = 1,217.63/x
  3. Step 3: Cross multiply
    4,137.28x = 6,205.92 × 1,217.63
  4. Step 4: Simplify right side
    4,137.28x = 7,556,525.32
  5. Step 5: Solve for x
    x = 7,556,525.32/4,137.28
  6. Step 6: Final answer
    x = 1,826.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.